JPH078334A - Elevating shelf - Google Patents

Abstract

PURPOSE:To reduce the weight of a holding frame without lowering the strength of the holding frame. CONSTITUTION:A quadrangular front frame 11 is formed with a pair of vertical frames 15 and horizontal frames 16. Behind the vertical frames 15 constituting the front frame 11, a rear frame 12 formed by a linear material is disposed. To shelf receivers 13 formed to have an L-shaped cross section with a vertical piece 18 and a horizontal piece 19, the vertical frame 15 and the rear frame 12 are connected and fixed. Between the adjoining right and left shelf receivers, a shelf board 30 is mounted to form a holding frame 10. The holding frame 10 is to be housed within a storage recess 1 through a link mechanism A so as to be descended forward and downward with its almost horizontal state maintained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevating shelf in which an elevating shelf body housed in a housing recess can be pulled out.

[0002]

2. Description of the Related Art Conventionally, in an elevating shelf in which an elevating shelf body stored in an accommodating recess formed in a high place can be freely pulled out from the accommodating recess, the elevating shelf body is in a substantially horizontal state via a link mechanism. It can be pulled out to the front and lower side while maintaining. In these devices, a spring member is generally attached to a link mechanism connected to the holding frame, and the elevating / lowering shelf main body is supported by the spring force of the spring member. Here, as for the holding frame, a band plate-shaped shelf receiver is installed between the front frame and the rear frame, the shelf plate is arranged between the left and right adjacent shelf receivers, and the end of the shelf plate is fixed with a screw or the like. It is configured by connecting and fixing to each shelf board.

[0003]

However, in the conventional example as described above, the shelf receiver is formed in the shape of a strip plate simply for connecting and fixing the end portions of the shelf plate, and the shelf plate is formed on the shelf plate. The load of articles such as shoes to be placed is received by the front frame and the rear frame that form the holding frame.Therefore, the front frame and the rear frame that form the holding frame have high load resistance. Since the holding frame is made of a steel material having a large diameter, the weight of the holding frame becomes large, the link mechanism supporting the holding frame also becomes large, and the elevator shelf becomes large.

SUMMARY OF THE INVENTION The present invention is intended to solve the above problems, and it is an object of the present invention to provide an elevating shelf that can reduce the weight of the holding frame without reducing the strength of the holding frame.

[0005]

In the present invention, in order to achieve the above object, a pair of vertical frames 15 and a horizontal frame 16 form a square-shaped front frame 11, and the vertical frame constituting the front frame 11 is formed. The rear frame 12 formed of a linear material is arranged behind the frame 15, and the vertical piece 18
The vertical frame 15 of the front frame 11 and the rear frame 12 are connected and fixed to each other by the shelf receiver 13 formed in an L-shaped cross section with the horizontal piece 19 and the shelf plate 30 is mounted between the shelf receivers 13 adjacent on the left and right. The holding frame 10 is provided to form the holding frame 10, and the holding frame 10 is housed and arranged via the link mechanism A in the housing recess 1 so that the holding frame 10 can be moved downward and downward while maintaining a substantially horizontal state. Lifting shelf characterized by.

Further, a connecting projection 20 is provided so as to project upward from the lateral piece 19 of the shelf receiver 13, and the connecting projection 20 is provided in a locking hole 31 of a shelf plate 30 placed between the shelf receivers 13 adjacent to each other on the left and right. May be inserted and locked to connect and fix the shelf plate 30 to the shelf receiver 13.

[0007]

However, by using the shelf support 13 having the L-shaped cross section formed of the vertical piece 18 and the horizontal piece 19 and having a high support strength, the shelf support 13 can support the load on the shelf board 30. Therefore, it is possible to prevent the load on the shelf plate 30 from acting on the rear frame 12 that forms the holding frame 10 as much as possible, and the rear frame 12 can be formed of a linear material. The weight of 10 can be reduced. Further, since the front frame 11 and the rear frame 12 are connected by the shelf receiver 13 having an L-shaped cross section, the front frame 11 and the rear frame 12 are connected to each other with a high connection strength, and the holding frame 10 is connected. Can be formed. In addition, the connecting projection 20 projecting from the lateral piece 19 of the shelf receiver 13 is inserted and locked in the locking hole 31 of the shelf board 30.
When the rack is attached to the shelf receiver 13, the shelf plate 30 can be easily attached by inserting and locking the connecting projection 20 into the locking hole 31 without using a fixing tool.

[0008]

The present invention will be described below in detail based on the illustrated embodiments. The elevating shelf B in the present invention represents, for example, a storage furniture such as a shoe box, and as shown in FIGS. 1 to 3, the storage shelf main body 2 is pulled down to the front upper part of the lower storage portion C and is like a shoe. Various items can be stored or taken out.

The elevating shelf B is a storage shelf main body 2 which is disposed in the storage recess 1 so that it can be freely taken in and out, and a link mechanism A for moving the storage shelf main body 2 downward and downward while maintaining the substantially horizontal state. The subject is composed of and. Here, an openable / closable door may be attached to the front opening of the storage recess 1 as necessary. The storage shelf body 2 is shown in FIG.
The main body is composed of the holding frame 10 shown in FIG. 7 and the shelf plate 30 shown in FIG. 15, and the shelf plates 30 are attached to the holding frame 10 so as to be vertically adjacent to each other as shown in FIG. .

As shown in FIGS. 4 and 5, the holding frame 10 includes a square front frame 11, a rear frame 12 arranged behind the front frame 11, a front frame 11 and a rear frame 12. The main body is composed of a shelf receiver 13 that is installed between them and a reinforcing member 14 that is installed between the upper portions of the front frame 11 and the rear frame 12. The front frame 11 is formed in a square shape with a pair of vertical frames 15 and horizontal frames 16, and the holding frame 10 is operated to be taken in and out by the lower horizontal frame 16 provided between the lower portions of the vertical frames 15 facing each other. In this case, a grip portion 17 is formed for the user to hold by hand.

The rear frame 12 is formed of a linear material such as round steel, and is connected and fixed to the front frame 11 by a shelf support 13 formed of a vertical piece 18 and a horizontal piece 19 having an L-shaped cross section. There is. A connecting projection 20 is provided so as to project upward from the horizontal piece 19 of the shelf receiver 13, and a shelf plate 30 is arranged between the adjacent shelf receivers 13 so that an end portion is placed on the horizontal piece 19.
Can be installed without using a fixing tool by inserting the connecting projection 20 into the locking hole 31 provided at the end.

The reinforcing member 14 is formed of a vertical piece 21 and a horizontal piece 22 in an L-shaped cross section. The horizontal piece 22 is connected and fixed to the upper horizontal frame 16 which constitutes the front frame 11, and the vertical piece 21 is formed. The front frame 1
It is connected and fixed to the upper part of the vertical frame 15 and connected and fixed to the upper part of the rear frame 12 and is installed between the front frame 11 and the rear frame 12. A spacer 23 formed of a linear material is provided between adjacent reinforcing members 14. On the outer surface of the vertical piece 21 of the reinforcing member 14, the connecting shaft 24 is rotatably mounted on the upper portions of the front support link 40 and the rear support link 60 that constitute the link mechanism A by shifting the mounting position vertically. Are attached by welding fixing as shown in FIG. The connecting shaft 24 is formed by projecting a shaft 26 from a base 25 that is welded and fixed to the outer surface of the vertical piece 21.
Is provided with a screw hole 27. Opposing reinforcing member 1
An opening 28 is provided between the four, and articles such as shoes can be put in and taken out from the upper side of the holding frame 10 by this opening 28, and tall items such as boots and boots as shown in FIG. Can be stored.

The shelf plate 30 is formed of a thin plate material having locking holes 31 at both ends as shown in FIG. 15, and is placed at the rear end portion as shown in FIGS. 16 and 17. A guard pipe 32 is attached to prevent articles such as shoes from falling to the rear side, and a slip stopper 3 made of an elastic material such as rubber is attached to the front end portion.
3 can be attached. Further, as the slip stopper 33, as shown in FIG.
It may be configured with.

A mounting base 6 as shown in FIGS. 19 and 20 is attached to the side wall of the storage recess 1.
The link mechanism A is attached between the attachment base 6 and the holding frame 10. The mounting base 6 is configured by projecting mounting pieces 71 from both ends of the substrate 70, and by inserting a fixing tool into the side wall of the storage recess 1 through the through holes 72 provided in the mounting piece 71. It is adapted to be attached to the side wall of the storage recess 1. As the mounting base 6, there are a right mounting base 6a shown in FIG. 19 and a left mounting base 6b shown in FIG. 20, and the mounting bases 6a and 6b have a board 70 shown in FIG.
The support shafts 73 are attached to the opposite positions as shown in FIG. As shown in FIG. 22, the support shaft 73 is formed by projecting a shaft 75 from a mounting base 74 that is welded and fixed to the substrate 70. The shaft 75 has a tip portion for screwing a screw tool. A screw hole 76 is provided. The upper end of the left mounting base 6b has a slit 7 continuous in the vertical direction.
Is provided, and the other end of a second spring member 4 described later is slidably attached to the slit 7. The lower end of the slit 7 is provided with an insertion hole 7a for inserting and locking the slide member 131 as the connecting portion 130 attached to the connecting piece 4a at the other end of the second spring member 4 described later into the slit 7. ing. Also,
At the upper end of the slit 7, the second moving along the slit 7
A spring contact 5 is formed which abuts on the other end of the spring member 4 and stops the upward movement of the second spring member 4.

A stopper 8 as shown in FIGS. 27 and 28 is provided on the upper portion of the base plate 70 of each mounting base 6a, 6b.
0 is attached, and the stopper 80 regulates the rotation range of the rear support link 60, which will be described later. This stopper 80 is a vertical piece 8
The cushion 8 formed of an elastic body such as rubber on the vertical piece 81 of the main body 83 which is formed in a substantially L shape by the 1 and the horizontal piece 82.
4 is attached, and the horizontal piece 82 is attached to the substrate 70 by a fixing tool so that each attachment base 6 is attached.
It is attached to a and 6b. Reference numeral 85 is a connection hole for inserting the fastener.

The link mechanism A installed between the holding frame 10 and the mounting base 6 includes a front support link 40 shown in FIGS. 8 to 11, a rear support link 60 shown in FIGS. 12 to 14, and a front support link 60. The main body is composed of the first spring member 3 and the second spring member 4 that bias the support link 40 and the rear support link 60 with springs. The front support link 40 is configured by laying a horizontal frame 42 between the lower parts of a pair of vertical frames 41, and the reinforcing member 1 configuring the holding frame 10 at the upper end of each vertical frame 41.
4 is provided with a connecting hole 43 to which the lower connecting shaft 24 provided in the vertical piece 21 is attached, and the mounting base 6 is provided at the lower end.
A connecting hole 44 is provided in which a lower support shaft 73 provided on the substrate 70 is attached. A lever guide attachment plate 50 provided with an elongated attachment hole 51 is attached to the upper portion of one vertical frame 41, and the edge of the guide hole 53 is engaged with the attachment hole 51, as shown in FIG. The lever guide 52 as shown in FIG. Here, the lever guide 52 is adapted to be screwed into the through holes 55 provided at the upper and lower ends of the lever guide mounting plate 50 through the through holes 54 provided at the upper and lower ends thereof to be connected and fixed to each other. There is. A shaft mounting piece 45 is projectingly provided from the lower end of the vertical frame 41 so as to be orthogonal to the horizontal frame 42, and a connecting shaft 46 projects inward from the shaft mounting piece 45 as shown in FIG. One end of the first spring member 3 is pivotally attached to the connecting shaft 46.

The rear support link 60 comprises a pair of vertical frames 61 having a longer length than the vertical frame 41 constituting the front support link 40, and a horizontal frame 62 provided between the lower parts of the vertical frames 61.
1 is provided with a connecting hole 63 at which the upper connecting shaft 24 provided on the vertical piece 21 of the reinforcing member 14 constituting the holding frame 10 is axially mounted, and at the lower end thereof, the base plate 70 of the mounting base 6. Is provided with a connection hole 64 to which the upper support shaft 73 provided in is attached. Further, a shaft mounting piece 65 is projected from the lower end of each vertical frame 61 so as to be orthogonal to the horizontal frame 62, and a connecting shaft 66 is projected inward from the shaft mounting piece 65. One end of the second spring member 4 is pivotally attached to the connecting shaft 66. In addition, each vertical frame 61
From the upper end of the shaft mounting piece 67, a shaft mounting piece 67 is provided so as to project in a direction opposite to the projecting direction of the shaft mounting piece 65, and a connection shaft 68 is provided so as to project inward from the shaft mounting piece 67.
The other end of the first spring member 3 is axially attached to the connecting shaft 68.

As shown in FIG. 13, a stopper guide fitting 90 having an elongated guide hole 91 is attached to the upper portion of one vertical frame 61. An insertion hole 92 is provided at the end of the guide hole 91 located at the upper end side of the stopper guide fitting 90, and a guide hole 91 is provided at the end of the guide hole 91 located at the lower end side of the stopper guide fitting 90. The lock hole portion 93 is formed in a direction substantially orthogonal to.

The front support link 40 and the rear support link 60 described above are arranged in parallel so as to face each other as shown in FIGS. 25 and 26, and the front support link 40 and the rear support link 40 are arranged in parallel. A stopper metal fitting 100 and a stopper release lever 110 are connected to 60. As shown in FIG. 23, the stopper metal fitting 100 is formed by a strip plate material 101, and a connecting shaft 102 is provided at one end so as to project laterally, and a through hole 103 into which a screw tool is inserted is provided at the other end. It is provided. An engaging recess 1 is formed at one end where the connecting shaft 102 is provided so as to be adjacent to the connecting shaft 102.
No. 04 is provided as a recess, and the engagement recess 104 is formed by partially cutting out an upper edge on one end side.

The stopper release lever 110 is formed by a V-shaped strip plate member 111 as shown in FIG. 24, and one end thereof has an operating knob 12 as shown in FIG.
0 can be attached. The operation knob 120 has a groove 121 formed on one side thereof, and the fitting groove 121 is engaged with one end of the strip plate member 111 so that the screw hole 1 is formed through a through hole 114 provided in the strip plate member 111.
It is designed to be attached by inserting a screw tool 123 into the inside 22. A locking protrusion 113 is provided on the other end of the strip plate member 111 so as to extend laterally, and a through hole 112 is provided at the other end of the strip plate member 111 so as to be adjacent to the locking protrusion 113.

As shown in FIG. 25, the stopper metal fitting 100 has a connecting shaft 102 at one end slidably engaged with a guide hole 91 of a stopper guide metal fitting 90 provided on the rear support link 60, and the other end is screwed. It is installed between the right mounting base 6a and the rear support link 60 by being connected and fixed to the upper portion of the right mounting base 6a by the tool 94. Here, the connecting shaft 10 at one end of the strip plate material 101
2 is inserted into the guide hole 91 through an insertion hole 92 provided at the end of the guide hole 91, and the other end of the strip plate member 101 is a screw tool 94 inserted in the through hole 103.
Is rotatably connected to and fixed to the right mounting base 6a by driving into the upper part of the substrate 70 of the right mounting base 6a.

The stopper release lever 110 has one end to which the operation knob 120 is attached inserted through a guide hole 53 of a lever guide 52 provided on the front support link 40 and a screw inserted through a through hole 112 provided at the other end. The tool 56 is rotatably connected to the stopper fitting 100 by driving the tool 56 into the back surface of the connecting shaft 102 of the stopper fitting 100.

The first spring member 3 formed of a gas spring has a connecting piece 3a provided at one end and a front support link 4
0 is rotatably attached to the connecting shaft 46 provided on the shaft mounting piece 45 at the lower end of 0, and the connecting piece 3b provided at the other end.
Is rotatably attached to the connecting shaft 68 provided on the shaft mounting piece 67 at the upper end of the rear support link 60, and is connected to the lower end of the vertical frame 41 of the front support link 40 arranged to face each other in the front-rear direction. It is attached between the rear support link 60 and the upper end of the vertical frame 61. Here, the first spring member 3 is in the extended state when the front support link 40 and the rear support link 60 are in the upright state, and the front support link 40 and the rear support link 60 are in the collapsed state. In the case of being compressed, it is arranged between the lower end of the vertical frame 41 of the front support link 40 and the upper end of the vertical frame 61 of the rear support link 60 which are arranged so as to face each other in the front-rear direction.

The second spring member 4 formed of a gas spring has a connecting piece 4a provided at one end and a rear supporting link 6
0 is rotatably attached to the connecting shaft 66 provided on the shaft mounting piece 65 at the lower end of 0, and the connecting portion 13 is provided at the other end.
0 is slidably attached to the slit 7 provided in the left attachment base 6b. The connecting portion 130 is configured by a slide member 131 that can be slid along the slit 7 while being prevented from coming off the slit 7, and the slide member 131 is the second member.
Is fixed to the connecting piece 4b at the other end of the spring member 4. Here, the second spring member 4 is in an extended state when the front support link 40 and the rear support link 60 are in an upright state, and is in a state in which the front support link 40 and the rear support link 60 are in a collapsed state. The slide member 131 slidably inserted into and locked in the slit 7 has the front support link 40 and the rear support link 60 in an upright state. In this case, the front support link 40 and the rear support link 60 are located in the lower part of the slit 7, and in the intermediate part of the slit 7 when the front support link 40 and the rear support link 60 are slightly tilted.
It is arranged so as to come into contact with the spring contact 5 at the upper edge of the slit 7 in a state of being tilted at 5 ° or less. That is, the front support link 40 and the rear support link 60 as the link mechanism A
Although the second spring member 4 is moved upward in the initial stage when and start to fall, the other end of the second spring member 4 slides along the slit 7 so that the second spring member 4 is not compressed. 40 and rear support link 60 are about 45 °
After falling to the following state, the other end of the second spring member 4 comes into contact with the spring contact 5 and then starts to be compressed.

When the holding portion 17 at the bottom of the front frame 11 constituting the holding frame 10 is held by hand and pulled out from the storage state shown in FIG. 1, the storage shelf body 2 is shown in FIGS. As shown in FIG. 3, the link mechanism A lowers and moves downward while maintaining a substantially horizontal state.
Items such as shoes are placed on the shelf plate 30 of the storage shelf main body 2 in the state shown in FIG. Then, in order to store the pulled out storage rack body 2 in the storage recess 1, the stopper release lever 110 is operated to release the lock, and then the grip 17 is held by hand and the storage rack body 2 is lifted up. With this, the storage shelf main body 2 can be stored in the storage recess 1 with a light force.

When the storage shelf main body 2 is pulled out from the storage recess 1 while holding the grip portion 17 by hand, the link mechanism A
The storage shelf main body 2 is moved downward and downward while maintaining a substantially horizontal state, and the front support link 40 and the rear support link 60 forming the link mechanism A are the first.
Inclining forward against the spring force of the spring member 3. here,
The second spring member 4 is also moved in the compression direction as the rear support link 60 is tilted forward, but the other end of the second spring member 4 is along the slit 7 provided in the mounting base 6. Since it is movable, the spring force of the second spring member 4 does not act on the front support link 40 and the rear support link 60 in the initial stage of pulling out the storage rack body 2, and the initial stage of pulling out of the storage rack body 2 is prevented. The holding frame 10 is pulled out against the spring force of only the first spring member 3. Then, the other end of the second spring member 4 hits the spring contact 5 at the upper end of the slit 7 before the completion of pulling out the storage shelf main body 2 in a state where most of the spring member 4 is pulled out, so that the spring force of the second spring member 4 is increased. Although it acts on the link mechanism A, the second spring member 4 is compressed by the inertia force that moves the storage shelf body 2 before the completion of the withdrawal, so that a large withdrawal force is not required. The second spring member 4 is compressed. At the same time when the storage shelf main body 2 is completely pulled out and the second spring member 4 is compressed, the connecting shaft 102 of the stopper metal fitting 100 that has moved along the guide hole 91 of the stopper guide metal fitting 90 of the rear support link 60 has a guide hole. The locking projection 93 of the stopper release lever 110 is engaged with the engaging recess 104 of the stopper metal fitting 100, whereby the link mechanism A is formed. When the drawer is completed, it is automatically locked and the storage shelf body 2 is pulled out while the spring force of the first spring member 3 and the second spring member 4 is still acting on the link mechanism A. It will be fixed. Here, since the central portion of the stopper release lever 110 is inserted and locked in the guide hole 53 of the lever guide 52 provided in the front support link 40, the tip end portion provided with the operation knob 120 should move downward. There is no such thing. Further, since the vertical frames 41, 61 forming the front support link 40 and the rear support link 60 are connected to each other by the horizontal frames 42, 62, the strength can be increased and the front support link 40 can be improved. Further, it is possible to prevent the rear support link 60 from being distorted, and the stopper fitting 100 and the stopper release lever 11 for locking and unlocking.
Even if 0 is attached to only one side, locking and unlocking can be reliably performed without causing deformation of the link mechanism A.

Next, when the storage shelf main body 2 is stored in the storage recess 1, the operation knob 120 of the stopper release lever 110 is pulled downward to engage with the engagement recess 104 of the stopper fitting 100. Stopper release lever 11
By removing the locking projection 113 of 0 from the engaging recess 104, the lock hole portion 9 of the guide hole 91 of the stopper guide fitting 90 is removed.
The connecting shaft 102 of the stopper metal fitting 100 engaged with 3 is disengaged from the lock hole portion 93, and the link mechanism A is moved by the spring force of the compressed first spring member 3 and the second spring member 4 to expand. Moved by being urged in the direction to wake up,
The storage shelf body 2 is stored with a light operating force by the spring force. The recess 1
It can be stored in. That is, when the storage shelf body 2 is stored in the storage recess 1, the storage shelf body 2 is stored in the storage recess 1 by the two spring forces of the first spring member 3 and the second spring member 4.
It can be stored inside.

In the elevating shelf B described above, when the storage shelf body 2 is pulled out from the storage recess 1, the storage shelf body 2 is pulled out against the spring force of only the first spring member 3 in the initial stage. It is enough to store the storage shelf body 2 and the recess 1
In the case of storing it in the inside, the two spring forces of the first spring member 3 and the second spring member 4 can be applied to the link mechanism A to store the storage shelf main body 2 in the storage recess 1. Even though it has two spring members, the storage shelf body 2 can be pulled out with a light force in the initial stage of pulling out,
At the time of storage, the storage shelf main body 2 can be stored with a light force by utilizing the spring force of the two spring members.

In the above-described embodiment, the shelf plate 30 provided on the holding frame 10 has a two-stage specification in which the shelf plate 30 is provided in two upper and lower stages, but the present invention is not limited to this, and two stages are provided. The holding frame 10, the front support link 40, the rear support link 60, and the mounting base 6 used in the case of the three-stage specification, which may be the following or more than two stages, are shown in FIGS. 31 to 35, respectively. . Further, in the above-described embodiment, the front support link 40 and the rear support link 6
The pair of vertical frames 41 and 61 forming 0 is shown by connecting the lower parts to each other by the horizontal frames 42 and 62, but as shown in FIG. 36, each vertical frame is not provided. Four
The lower portions of the parts 1, 61 may be connected and fixed to the mounting base 6. Further, in the above-described embodiment, the elevating shelf B is shown as a shoe box for storing articles such as shoes, but the present invention is not limited to this, and tableware as articles is not limited to this. May be used as a cupboard for storing books or as a bookshelf for storing books.

[0030]

As described above, the present invention forms a square-shaped front frame with a pair of vertical frame and horizontal frame, and is formed of a linear material behind the vertical frame that constitutes the front frame. A rear frame is arranged, and the vertical frame and the rear frame of the front frame are connected and fixed by a shelf support formed in an L-shaped cross section by a vertical piece and a horizontal piece. Is mounted to form a holding frame, and the holding frame is housed and arranged via a link mechanism in the housing recess so that the holding frame can be moved downward and downward while maintaining a substantially horizontal state. The load on the shelf board can be supported by the shelf support by using the shelf support having the L-shaped cross section and the lateral piece and having a high support strength. It is possible to prevent the load from acting as much as possible, and it is possible to configure the rear frame with a linear material and reduce the weight of the holding frame. In which it is possible to reduce the weight of the holding frame without reducing the strength of the holding frame. Further, since the front frame and the rear frame are connected by a shelf receiver having an L-shaped cross section, the holding frame can be formed by connecting the front frame and the rear frame with high connection strength. Is.

Further, the connecting projections are provided so as to project upward from the lateral pieces of the shelf supports, and the connecting projections are inserted and locked in the locking holes of the shelf plates mounted between the shelf supports adjacent to each other on the left and right. In this case, the shelf plate can be easily attached by inserting and locking the connecting projection into the locking hole without using a fixing tool.

[Brief description of drawings]

FIG. 1 is a sectional view of a housed state showing an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the same as above, which is in the process of being drawn out.

FIG. 3 is a cross-sectional view of the same as above with a pulled out state.

FIG. 4 shows a holding frame, (a) is a front view,
(B) is a plan view and (c) is a side view.

FIG. 5 is an exploded perspective view of a holding frame.

FIG. 6 is an enlarged cross-sectional view of a portion A in FIG.

FIG. 7 is a perspective view of the lifting shelf body viewed from the back.

FIG. 8 shows a front support link, (a) is a front view, (b) is a plan view, (c) is a right side view, and (d) is a left side view.

FIG. 9 is an enlarged front view showing a mounting state of a lever guide mounting plate.

FIG. 10 is an enlarged front view of the state of FIG. 8A in which the portion B is laterally inverted.

FIG. 11 is a perspective view of a front support link.

FIG. 12 shows a rear support link, (a) is a front view, (b) is a plan view, (c) is a right side view, and (d) is a left side view.

FIG. 13 is an enlarged front view showing how the stopper guide fitting is attached.

FIG. 14 is a perspective view of a rear support link.

FIG. 15 shows a shelf board, (a) is a front view,
(B) is a front view and (c) is a side view.

FIG. 16 is an exploded perspective view showing attachment positions of a guard pipe and a slip stopper on a shelf plate.

FIG. 17 is a partially cutaway side view showing an attached state of a guard pipe and a slip stopper.

FIG. 18 is an exploded perspective view showing another embodiment of the slip stopper.

FIG. 19 shows the right mounting base, (a)
Is a front view and (b) is a plan view.

FIG. 20 shows the left mounting base, (a)
Is a front view and (b) is a plan view.

FIG. 21 is a perspective view of a right mounting base and a left mounting base.

FIG. 22 is an enlarged cross-sectional view of a portion C in FIG. 20 (b) showing a mounting state of the support shaft.

FIG. 23 is a view showing a stopper fitting, (a) is a front view and (b) is a side view.

FIG. 24 shows a stopper release lever,
(A) is a front view and (b) is a partial plan view.

FIG. 25 is an exploded perspective view showing a connected state of a stopper fitting and a stopper release lever.

FIG. 26 is an exploded perspective view in which a link mechanism is partially omitted.

FIG. 27 shows a stopper, (a) is a front view, (b) is a plan view, and (c) is a side view.

FIG. 28 is an exploded perspective view of a stopper.

FIG. 29 shows a lever guide, (a) is a front view, (b) is a side view, and (c) is a perspective view.

30A and 30B show operation knobs, FIG. 30A is a front view, FIG. 30B is a plan sectional view, and FIG.

FIG. 31 is a view showing a holding frame for three stages, (a) is a front view, (b) is a plan view, and (c) is a side view.

FIG. 32 shows a front support link for three stages,
(A) is a front view, (b) is a plan view, (c) is a right side view,
(D) is a left side view.

FIG. 33 shows a rear support link for three stages,
(A) is a front view, (b) is a plan view, (c) is a right side view,
(D) is a left side view.

FIG. 34 is a front view showing a right mounting base for three stages.

FIG. 35 is a front view showing a left mounting base for three stages.

FIG. 36 is an exploded perspective view, partially omitted, showing another embodiment of the link mechanism.

[Explanation of reference signs] A link mechanism 1 Storage recess 10 Holding frame 11 Front frame 12 Rear frame 13 Shelf receiver 15 Vertical frame 16 Horizontal frame 18 Vertical piece 19 Horizontal piece 20 Connecting protrusion 30 Shelf plate 31 Locking hole

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Harusaburo Yasuda 1-12-23 Shimanouchi, Chuo-ku, Osaka Futaba Jitsugyo Co., Ltd.

Claims (2)

[Claims] 1. A pair of vertical frames and a horizontal frame form a square-shaped front frame, and a rear frame formed of a linear material is arranged behind the vertical frame that constitutes the front frame. The vertical frame of the front frame and the rear frame are connected and fixed by a shelf receiver formed in an L-shaped cross section by one piece and a horizontal piece, and a shelf board is placed between the left and right adjacent shelf supports to form a holding frame. An elevating shelf, characterized in that the holding frame is formed and accommodated in a storage recess via a link mechanism so that the holding frame can be moved downward and downward while maintaining a substantially horizontal state. 2. A connecting protrusion is provided so as to project upward from a horizontal piece of the shelf receiver, and the connecting protrusion is inserted and locked in a locking hole of a shelf plate mounted between the shelf receivers adjacent to each other on the left and right. The elevating shelf according to claim 1, wherein: